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Cheiranthus. Cheiranthus Cheiri L. Wall flower.—The flowers yield an oil which when highly diluted has the natural pleasant odor, but when concentrated the odor is disagreeable. (Schim. Rep; 1911, 95; also A. Pharm., 1912, 211.) From the leaves of this cruciferous European plant Moritz Reeb (A. E. P. P., 1899, vol. xliii) has obtained a glucoside, belonging to the digitalis group, of such power that 0.0005 Gm. will produce systolic cardiac arrest in the frog; also a crystalline alkaloid, cheirinine, C18H35O17N3, which acts upon nerve centers and also upon muscles.

The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.